computing differential造句

this dissertation studies mainly approximations to special classes of set-valued maps and their applications, in order to compute differentials of some class of set-valued maps and to solve basis theories of constructing high-ordered methods of nonsmooth functions . then results obtained in this dissertation are applied to optimality theories in optimization
本文针对研究非光滑函数的高阶算法的理论基础和集值映射的微分的计算的课题，主要研究几类特殊类型的集值映射的(方向)导数的计算与近似，并将得到的结果应用到优化的最优性理论中。
It's difficult to find computing differential in a sentence. 用computing differential造句挺难的